center tonight. you told me this is going to be a real scorcher this weekend. >> yeah, temperatures are high enough in the plains states, but when you factor in the high humidity, it feels over 100 degrees. and that will be sliding into the midwest on saturday, and get ready, along the eastern seaboard, david, because the heat and humidity, though not as hot, certainly the humidity will arrive by sunday. >> and bernie, you say with it, severe weather? >> any time you get heat and humidity, you have to be concerned about thunderstorms, and that's what we're going to be seeing across the midwest on saturday out ahead of a cool front that will bring some relief to the heat in the northern plains. that front hes toward the i-95 corridor, new york city, philadelphia, washington, d.c., as he head into late sunday and independence day. >> bernie, thank you. we learned today of something happens to american families preparing to spend this fourth of july in state parks. told to pack up their things and go home. state parks closing for business in minnesota.